2) In order to generate electricity from mechanical energy, one essential element needed to transform the energy into electrical energy is

Which is an unintended consequence of the widespread use of pesticides on corn crops?

Folding is usually the result of what type of stress

When does resonance occur?

Which is the most accurate statement about the observation of astronomical objects? A) it is easier to notice the motions of objects closer to us B) it is easier to notice the motions of objects farther from us C) the distance to an object does not

If the bar is initially vertical, determine the angle of tilt of the bar when the 20 kipkip load is applied. Express your answer to three significant figures and include appropriate units.

A - 4.0-µC charge is located 0.45 m to the left of a + 6.0-µC charge. What is the magnitude and direction (to the right or to the left) of the electrostatic force on the positive charge?

A potter's wheel of radius 16 cm starts from rest and rotates with constant angular acceleration until at the end of 32 s it is moving with angular velocity of 10 rad/s. what is the angular acceleration? answer in units of rad/s 2.

The froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0∘ above the horizontal, some of the tiny critters have reached a maximum height of 58.7 cm above the level ground.

Design an experiment (Fair Test) to find out what would be a good insulator for a dog house.

Which of these changes does a submarine encounter as it returns from the bottom of the ocean to the surface of the ocean? a. the amount of sunlight increases. b. the water temperature decreases. c. the amount of plants decreases. d.